Optionalafk_ID for afk channel
Optionalafk_afk timeout in seconds, can be set to: 60, 300, 900, 1800, 3600
Optionalbannerbase64 16:9 png/jpeg image for the guild banner (when the server has the BANNER feature; can be animated gif when the server has the ANIMATED_BANNER feature)
Optionaldefault_Default message notification level
OptionaldescriptionThe description for the guild
Optionaldiscovery_base64 png/jpeg image for the guild discovery splash (when the guild has DISCOVERABLE feature)
Optionalexplicit_Explicit content filter level
OptionalfeaturesEnabled guild features
Optionaliconbase64 1024x1024 png/jpeg/gif image for the guild icon (can be animated gif when the guild has ANIMATED_ICON feature)
OptionalnameNew name for the guild (2-100 characters)
Optionalowner_User id to transfer guild ownership to (must be owner)
Optionalpreferred_The preferred locale of a Community guild used in server discovery and notices from Discord
Optionalpremium_Whether the boosts progress bar should be enabled.
Optionalpublic_The id of the channel where admins and moderators of Community guilds receive notices from Discord
OptionalregionVoice region id
Optionalrules_The id of the channel where Community guilds display rules and/or guidelines
Optionalsafety_The id of the channel where admins and moderators of Community guilds receive safety alerts from Discord
Optionalsplashbase64 16:9 png/jpeg image for the guild splash (when the guild has INVITE_SPLASH feature)
Optionalsystem_System channel flags
Optionalsystem_The id of the channel where guild notices such as welcome messages and boost events are posted
Optionalverification_Verification level
See
https://discord.com/developers/docs/resources/guild#modify-guild